Individual holder
EWERS MARION H
4 granted patents·278 citations·filing 1977–1982
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0194US4134707AWind turbine apparatusEWERS MARION H·Filed 1977·Granted Jan 16, 1979·118 cites·15 claims
- 0293US4245958AVertical axis wind turbineEWERS MARION H·Filed 1978·Granted Jan 20, 1981·80 cites·10 claims
- 0374US4239248ACollapsible walkerEWERS MARION H·Filed 1978·Granted Dec 16, 1980·55 cites·7 claims
- 0472US4756300ASolar water heater, method of construction and stock water heating systemEWERS MARION H·Filed 1982·Granted Jul 12, 1988·25 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →